// flex布局复用
@mixin flex($hov:space-between,$col:center){
    display: flex;
    justify-content: $hov;
    align-items: $col;
}
@mixin bgImg($w:0,$h:0,$img:'',$size:contain){
    display: inline-block;
    width: $w;
    height: $h;
    background: url($img) no-repeat center;
    background-size: $size;
}



@mixin position($pos:position,$top:0,$left:0,$w:100%,$h:100%){
    position:$pos;
    top:$top;
    left:$left;
    width:$w;
    height: $h;
}

@mixin height($h:0,$lh:$h) {
    height: $h;
    line-height: $lh;
  }
  @mixin wH($w:0,$h:0) {
    width:$w;
    height: $h;
  }
  @mixin border($bw:1px,$bc:$colorF,$bs:solid) {
    border: $bw $bs $bc; 
  }